US9511657B2 - Replaceable battery module for an electric vehicle - Google Patents

Replaceable battery module for an electric vehicle Download PDF

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Publication number
US9511657B2
US9511657B2 US13/605,235 US201213605235A US9511657B2 US 9511657 B2 US9511657 B2 US 9511657B2 US 201213605235 A US201213605235 A US 201213605235A US 9511657 B2 US9511657 B2 US 9511657B2
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Prior art keywords
battery module
vehicle
motor vehicle
replaceable battery
bracket
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US13/605,235
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US20130062939A1 (en
Inventor
Friedhelm ENGLER
Clarence Kim
Richard Shaw
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Assigned to GM Global Technology Operations LLC reassignment GM Global Technology Operations LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIM, CLARENCE, ENGLER, FRIEDHELM, SHAW, RICHARD
Publication of US20130062939A1 publication Critical patent/US20130062939A1/en
Assigned to WILMINGTON TRUST COMPANY reassignment WILMINGTON TRUST COMPANY SECURITY AGREEMENT Assignors: GM Global Technology Operations LLC
Assigned to GM Global Technology Operations LLC reassignment GM Global Technology Operations LLC RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: WILMINGTON TRUST COMPANY
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455—Removal or replacement of the energy storages
    • B60K2001/0472—Removal or replacement of the energy storages from below
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y02T90/124—

Definitions

  • the technical field relates to a replaceable battery module for an electrically driven vehicle, as well as to an electric vehicle equipped with a corresponding battery module.
  • Electromobility is becoming increasingly important against the backdrop of finite and, if anything, dwindling deposits of fuel and combustibles worldwide. While sufficiently powerful electric engines are already available for a wide range of applications, problems still remain with storing and carrying along electrical energy.
  • charging a vehicle battery provided for feeding an electric drive or a battery module exhibiting several battery units takes an unreasonably long time by comparison to filling a gas tank.
  • Enough stowage space must also be provided in or on the motor vehicle for the battery module to be carried along, which sometimes requires that extensive work be performed with respect to the vehicle structure and installation space partitioning, as well as that modifications be introduced in terms of distributing the weight and shifting the center of gravity of the vehicle.
  • At least one object herein is to shorten the time for which the motor vehicle must normally stand idle in order to charge the battery module, and in so doing simultaneously improve how the battery module is accommodated on the motor vehicle in terms of weight and center of gravity distribution.
  • a replaceable battery module for an electrically driven motor vehicle.
  • the replaceable batter module exhibits at least one bracket that can be detachably arranged on a bearing structure of the vehicle, and carries at least one rechargeable battery unit.
  • the bracket is preferably designed to accommodate several, or even all, battery units to be carried along on the vehicle, so that replacing the battery module with an already charged battery module makes it possible to tangibly reduce the time for which the motor vehicle stands idle.
  • the motor vehicle can again be restored to an original state offering the maximum vehicle cruising range within the shortest possible time by changing out a battery module at a service station, in this case in particular by installing a structurally identical, charged battery module.
  • the bracket here exhibits at least one mounting plate, on or atop which at least one battery unit is detachably arranged.
  • the detachable arrangement of one or more battery units on the mounting plate further makes it possible to remove or possibly replace individual battery units, for example for maintenance purposes.
  • the bracket or mounting plate provide a standardized fastening concept for both the at least one battery and its own detachable arrangement on the bearing structure of the motor vehicle.
  • the bracket also exhibits at least one fastening element, which corresponds with a counter-fastening element of the motor vehicle provided on the bearing structure.
  • one or more holding fixtures preferably distributed over the surface of the mounting plate can be provided on the bearing structure or body of the motor vehicle, which act as a fastening element, and can be used to accommodate individual fastening elements of the bracket.
  • the counter-fastening means on the bearing structure can exhibit a threaded borehole for accommodating a fastening element designed as a screw or bolt.
  • Use can preferably also be made of positive and/or frictional fastening concepts, including in particular quick fastening or snap closing concepts, which make it possible to quickly release and secure fastening elements and counter-fastening elements while installing and removing the battery module on the bearing structure of the motor vehicle.
  • a lower side of the mounting plate of the bracket for the battery module facing away from the at least one battery unit is configured as a floor cladding section of the motor vehicle, or acts as one once installed on the motor vehicle.
  • the battery module can be fastened to the floor structure of the motor vehicle, wherein the battery module is assembled or disassembled from the motor vehicle floor.
  • the visible exterior cladding of the motor vehicle is in this regard not to be provided with any openings, or detachable parts for purposes of replacing the battery module.
  • the appearance and design of the motor vehicle remain largely unaffected by the replaceable battery module provided here.
  • the mounting plate in particular the lower side of the mounting plate facing away from the battery unit, is integrated essentially flush in an adjacent floor cladding of the motor vehicle with the battery module in a mounting position on the motor vehicle.
  • the mounting plate is preferably largely closed, and can here provide a hermetic separation between the interior and exterior of the motor vehicle. It is advantageously also provided that at least one sealing element be arranged on an outer edge or along an outer border of the mounting plate, which can be used to tightly secure the mounting plate or battery module in a recess in the adjacent floor cladding of the motor vehicle provided in the floor for this purpose.
  • the battery module can also be sealed or hermetically separated relative to the vehicle interior, in particular for purposes of passenger protection.
  • all battery units provided on the battery module can be largely hermetically encapsulated from the environment, whether individually and separately or together.
  • the at least one fastening element and/or the correspondingly designed counter-fastening elements that interact with the latter prescribe a direction for assembling and disassembling the battery module that is essentially aligned in the vertical direction of the vehicle (z).
  • the battery module can be lowered and oppositely raised in the vertical direction of the vehicle (z), so as to detach it from the bearing structure of the motor vehicle and again refasten it thereto.
  • At least one electrical connecting means is provided or formed on the bracket and/or at least one battery unit, and corresponds with an electrical connecting element provided on the vehicle. Proceeding in this way makes it possible to almost automatically electrically connect the electrical connecting means on the battery module with electrical connecting elements on the vehicle corresponding thereto once a final assembly position for the battery module on the motor vehicle has been reached.
  • the electrical connecting elements on the battery module and motor vehicle are positioned in such a way that the electrical contacts establish electrical contact with each other once a final assembly position for the battery module on the motor vehicle has been reached at the latest.
  • a motor vehicle is further provided with at least one electrical drive and with at least one battery module designated above that can be detachably arranged on the bearing structure, in particular on the floor of the motor vehicle.
  • the motor vehicle can here be equipped like a purely electrically operated motor vehicle, but also as a hybrid vehicle with an electrical auxiliary drive.
  • the vehicle can here exhibit at least one, but also several battery modules arranged separately from each other, which can each exhibit one or even several battery units.
  • the battery module size depends on the overall weight of the battery module and the electrical energy it is to provide. Its weight should enable a manual replacement, which can also take place by means of hydraulic or other power-assisted hoisting and supporting equipment.
  • An exemplary embodiment here provides in particular that the battery module be detachably arranged in roughly the center of the bearing structure of the motor vehicle in relation to the transverse direction of the vehicle (y).
  • a central positioning proves advantageous in terms of the weight distribution and center of gravity of the motor vehicle.
  • the battery module be detachably arranged in a region lying between the front axis of the motor vehicle and the front seat.
  • the battery module even projects into the front axis or front wheel region and/or also into the foot or leg area of the front seats in relation to the longitudinal direction of the vehicle (x).
  • the battery module in relation to the vertical direction of the vehicle (z), be detachably arranged underneath a passenger cabin, and hence largely underneath the front vehicle seat and/or underneath a front axis of the motor vehicle.
  • a deep arrangement of the battery module helps to achieve the deepest positioning or displacement possible for the center of gravity of the vehicle.
  • an arrangement in front of or regionally underneath the front motor vehicle seat makes it possible to configure the center of gravity or dynamic characteristics of the motor vehicle largely independent of the constitution, in particular of the weight of the vehicle passenger(s).
  • the motor vehicle dynamics will largely behave invariantly in relation to how many items or passengers the motor vehicle is carrying.
  • the electric drive of the motor vehicle as viewed in the traveling direction or vehicle longitudinal direction (x) of the vehicle is situated behind a front vehicle seat or behind the driver's seat. Any back seat that might be present can come to lie behind the electric drive in relation to the traveling direction of the motor vehicle.
  • the drive can be arranged between the front and back seat.
  • the vehicle can further offer an electric mid-mounted engine concept.
  • the engine is here also located underneath the passenger cabin or underneath a floor section of the passenger cabin lying between the front seat and back seat.
  • the front seat is situated behind the battery module and in front of the drive as viewed in the longitudinal direction of the vehicle or traveling direction (x). This enables a comparatively deep arrangement of the front or driver's seat, so that the overall design height of the motor vehicle can be kept comparatively low, especially for optimizing its aerodynamics.
  • Another embodiment provides the vehicle with a hoisting and/or lowering device, which can be used to lower and/or hoist the battery module as required for replacement purposes.
  • the power required for operating the hoisting and/or lowering device equipped with an electric motor can be provided either by a second battery module, or via a separate electrical connection independent of the installed condition.
  • FIG. 1 is a partially cut side view of the electrically driven motor vehicle furnished with a replaceable battery module in accordance with an exemplary embodiment
  • FIG. 2 is a perspective view of the bottom side of the motor vehicle with a battery module arranged thereupon in accordance with an exemplary embodiment
  • FIG. 3 is a view comparable to FIG. 2 with the battery module detached or disassembled.
  • the electric vehicle 20 depicted on FIG. 1 to 3 in varying configurations exhibits a bearing structure 22 , for example one designed like a grid frame.
  • a battery module 10 detachably arranged on the floor of the bearing structure 22 adjoins or projects into a front wheel region 30 . It has a bracket 12 with a mounting plate 13 , upon which several battery units 14 are situated on the upper side facing the motor vehicle interior.
  • While the present exemplary embodiment exhibits several individual battery units 14 , for example electrically connected in series or parallel, it is possible in other configurations and embodiments to also provide just a single battery unit with correspondingly large dimensions, which can be detachably arranged on the bottom side of the bearing structure 22 by means of the bracket 12 .
  • fastening elements 16 distributed over the surface of the mounting plate 13 can preferably be provided on the bracket 12 and mounting plate 13 , for example in the form of screws or bolts, which attach the battery module 10 to the bearing structure 22 by interacting with counter-fastening elements corresponding thereto, for example threaded boreholes 17 .
  • the bracket 12 or at least one of the battery units 14 further exhibits an electrical plug connector 18 , with which an electrical contact can be established between the battery module 14 and the drive 24 situated on the vehicle.
  • the electrical contact can here be established largely automatically or corresponding to the mechanical attachment of the battery module 10 to the bearing structure 22 of the motor vehicle.
  • the electrical contacting is designed in such a way relative to the vehicle and battery module that electrical contact can be achieved once a final assembly configuration of the battery module 10 on the bearing structure 22 of the motor vehicle 20 has been reached.
  • the bracket 12 can be used to establish electrical contact between individual battery units 14 , as well as contact with the drive 24 .
  • electrical contact with the at least one battery unit 14 can also be established independently hereof, for example by arranging contact elements 18 provided on the vehicle in standardized, prescribed positions relative to the battery module bracket 12 on the bearing structure of the motor vehicle 20 in such a way as to establish electrical contact between the drive 24 and battery module 10 at the latest with the assembly of the battery module 10 to the bearing structure 22 .
  • the motor vehicle shown in varying depictions and configurations on FIGS. 1 to 3 exhibits a shell-like front or driver's seat 26 , whose seating surface viewed in the longitudinal direction of the vehicle lies above and overlaps an area of the battery module 10 situated toward the rear in the traveling direction.
  • the front seat 26 is located roughly between an electromotive drive 24 and the battery module 10 arranged on the floor relative to the longitudinal direction of the vehicle (x). Because the battery module 10 is at least regionally located in front of the front seat in relation to the traveling direction, but the drive 24 also provided underneath the passenger cabin 28 is located behind the front seat 26 , a comparatively deep positioning can be achieved for the front seat 26 .
  • the shell-like front seat 26 here even allows the driver to be in nearly a recumbent seated position, wherein the leg area of the driver comes to lie mostly above the battery module 10 .
  • the bracket 12 along with the mounting plate 13 lying underneath is also designed as a floor cladding part for the motor vehicle. As shown on FIG. 2 , the bottom side 15 of the mounting plate 13 can be arranged largely flush and tight relative to the adjoining floor cladding 32 . In this respect, the battery module 10 provides a simultaneous hermetic separation between the inner and outer area of the motor vehicle 20 .
  • the battery module 10 is located in the front region of the motor vehicle, and can here come to project into a front wheel area 30 as viewed in both the longitudinal (x) and vertical (z) directions of the vehicle. Arranging the battery module 10 close to the axis is advantageous with respect to the dynamic characteristics of the motor vehicle, as well as for achieving the most favorable center of gravity.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)
  • Body Structure For Vehicles (AREA)
US13/605,235 2011-09-08 2012-09-06 Replaceable battery module for an electric vehicle Active 2034-10-28 US9511657B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011112572 2011-09-08
DE102011112572A DE102011112572A1 (de) 2011-09-08 2011-09-08 Auswechselbares Batteriemodul für ein Elektrofahrzeug
DE102011112572.1 2011-09-08

Publications (2)

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US20130062939A1 US20130062939A1 (en) 2013-03-14
US9511657B2 true US9511657B2 (en) 2016-12-06

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US (1) US9511657B2 (enrdf_load_stackoverflow)
CN (1) CN103009981B (enrdf_load_stackoverflow)
DE (1) DE102011112572A1 (enrdf_load_stackoverflow)
GB (1) GB2494507A (enrdf_load_stackoverflow)

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US11121427B1 (en) 2019-01-25 2021-09-14 Julian Enrique Bustamante Laparra Stabilizing electric battery system for vehicles
US11148738B2 (en) * 2019-02-20 2021-10-19 Toyota Jidosha Kabushiki Kaisha Vehicle
US20220041231A1 (en) * 2019-04-22 2022-02-10 Yamaha Hatsudoki Kabushiki Kaisha Dual front, single rear-wheeled three-wheeler
US11370288B2 (en) 2017-12-22 2022-06-28 Daimler Ag Energy storage unit for a motor vehicle having a support frame where storage modules of the energy storage unit are inserted into receiving openings of the support frame from below

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GB0704966D0 (en) * 2007-03-15 2007-04-25 Murray Ian G Compact vehicle seatings arangement
US9315113B2 (en) 2012-12-21 2016-04-19 Ample Inc. Electric vehicle battery systems with exchangeable parallel electric vehicle battery modules
CN103350636B (zh) * 2013-05-31 2015-08-05 国家电网公司 一种电动乘用车底盘悬挂式电池箱
US10497998B2 (en) 2016-05-09 2019-12-03 Nikola Corporation Electric battery assembly
US10308132B2 (en) * 2016-05-09 2019-06-04 Nikola Corporation Electric utility terrain vehicle
US10581126B2 (en) 2016-05-09 2020-03-03 Nikola Corporation Electric battery assembly
CN108638884B (zh) * 2018-05-14 2021-06-29 绍兴市日杰建筑科技有限公司 一种新能源电动公交车
CN111769402B (zh) * 2020-07-17 2022-08-02 蓝谷智慧(北京)能源科技有限公司 电连接器插拔机构和电连接器插拔机构的运行方法
DE102020133641B4 (de) 2020-12-16 2022-07-28 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Elektrofahrzeug oder Hybridfahrzeug
US12286018B2 (en) 2023-03-20 2025-04-29 Ample Inc. Over-voltage protection circuit for electric vehicles

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CN103009981A (zh) 2013-04-03
GB201215038D0 (enrdf_load_stackoverflow) 2012-10-10
DE102011112572A1 (de) 2013-03-14
GB2494507A (en) 2013-03-13
US20130062939A1 (en) 2013-03-14

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